1076242621 has 4 divisors (see below), whose sum is σ = 1076374332. Its totient is φ = 1076110912.

The previous prime is 1076242597. The next prime is 1076242627. The reversal of 1076242621 is 1262426701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1262426701 = 7577 ⋅166613.

It can be written as a sum of positive squares in 2 ways, for example, as 994140900 + 82101721 = 31530^2 + 9061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1076242621 - 2⁵ = 1076242589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1076242627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52726 + ... + 70231.

It is an arithmetic number, because the mean of its divisors is an integer number (269093583).

Almost surely, 2^1076242621 is an apocalyptic number.

It is an amenable number.

1076242621 is a deficient number, since it is larger than the sum of its proper divisors (131711).

1076242621 is an equidigital number, since it uses as much as digits as its factorization.

1076242621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131710.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1076242621 is about 32806.1369411273. The cubic root of 1076242621 is about 1024.7943655699.

The spelling of 1076242621 in words is "one billion, seventy-six million, two hundred forty-two thousand, six hundred twenty-one".